| 单词 |
focal length |
| 释义 |
ˈfocal length noun [countable] technical the distance between the centre of a lens and the focal point 焦距Examples from the Corpusfocal length• Properties of a parabola All parabolas are similar. Focal length a determines the magnitude.• A single focal length, fixed-focus is often sufficient.• The image produced by a diverging lens is however frequently virtual and consequently the focal length does not seem easy to determine.ˈfocal length nounChineseSyllable centre a the between distance the of Corpus |
| 随便看 |
- be a measure of sth
- beamed
- Beamer
- be a mess
- beaming
- be a mistress of
- be a mistress of something
- be a mistress of sth
- be a monument to
- be a monument to sb
- be a monument to somebody
- be a monument to somebody/something
- be a monument to something
- be a monument to sth
- be a morgue
- be a mother to
- be a mother to sb
- be a mother to somebody
- beams
- be a mug's game
- bean
- be an advertisement for
- be an advertisement for something
- be an advertisement for sth
- be a natural
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